{"id":1597,"date":"2026-06-19T09:14:59","date_gmt":"2026-06-19T02:14:59","guid":{"rendered":"https:\/\/blog.datacore.vn\/?p=1597"},"modified":"2026-06-22T06:20:30","modified_gmt":"2026-06-21T23:20:30","slug":"vn-index-phan-anh-that-hay-ao-anh","status":"publish","type":"post","link":"https:\/\/blog.datacore.vn\/vi\/vn-index-phan-anh-that-hay-ao-anh\/","title":{"rendered":"VN-Index: Ph\u1ea3n \u00e1nh ch\u00e2n th\u1ef1c th\u1ecb tr\u01b0\u1eddng hay ch\u1ec9 l\u00e0 m\u1ed9t \u1ea3o \u1ea3nh th\u1ecb gi\u00e1c \u0111\u00e1nh l\u1eeba nh\u00e0 \u0111\u1ea7u t\u01b0?"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-1-1024x559.png\" alt=\"VN-Index: v\u00ec sao ch\u1ec9 s\u1ed1 th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 g\u00e2y hi\u1ec3u nh\u1ea7m cho nh\u00e0 \u0111\u1ea7u t\u01b0\" class=\"wp-image-1598\" srcset=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-1-1024x559.png 1024w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-1-300x164.png 300w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-1-768x419.png 768w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-1-18x10.png 18w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-1.png 1408w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Khi quan s\u00e1t th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n, h\u00e0nh \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 l\u00e0 ki\u1ec3m tra \u0111i\u1ec3m s\u1ed1 VN-Index, ch\u1ec9 s\u1ed1 chu\u1ea9n c\u1ee7a <a href=\"https:\/\/www.hsx.vn\/\" target=\"_blank\" rel=\"noopener\">S\u1edf Giao d\u1ecbch Ch\u1ee9ng kho\u00e1n TP.HCM (HOSE)<\/a>. Tuy nhi\u00ean, ch\u00fang ta \u0111\u00e3 nhi\u1ec1u l\u1ea7n ch\u1ee9ng ki\u1ebfn m\u1ed9t ngh\u1ecbch l\u00fd: ch\u1ec9 s\u1ed1 chung t\u0103ng m\u1ea1nh \u0111\u1ea7y \u1ea5n t\u01b0\u1ee3ng, nh\u01b0ng danh m\u1ee5c \u0111\u1ea7u t\u01b0 c\u00e1 nh\u00e2n l\u1ea1i ch\u00ecm trong s\u1eafc \u0111\u1ecf. \u0110\u00e2y kh\u00f4ng ph\u1ea3i hi\u1ec7n t\u01b0\u1ee3ng hi\u1ebfm g\u1eb7p, m\u00e0 l\u00e0 h\u1ec7 qu\u1ea3 t\u1eeb ch\u00ednh c\u01a1 ch\u1ebf x\u00e2y d\u1ef1ng ch\u1ec9 s\u1ed1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft nhanh<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VN-Index \u0111\u01b0\u1ee3c t\u00ednh theo tr\u1ecdng s\u1ed1 v\u1ed1n h\u00f3a, n\u00ean m\u1ed9t s\u1ed1 \u00edt c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ch\u1ec9 s\u1ed1 nhi\u1ec1u h\u01a1n c\u1ed5 phi\u1ebfu trung b\u00ecnh.<\/li>\n\n\n\n<li>VN-Index c\u00f3 th\u1ec3 t\u0103ng trong khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu gi\u1ea3m, t\u1ea1o kho\u1ea3ng c\u00e1ch gi\u1eefa con s\u1ed1 ch\u1ec9 s\u1ed1 v\u00e0 hi\u1ec7u su\u1ea5t danh m\u1ee5c th\u1ef1c t\u1ebf.<\/li>\n\n\n\n<li>C\u00e1c ch\u1ec9 s\u1ed1 ph\u00e2n kh\u00fac (VN30, VNMidcap, VNSmallcap) v\u00e0 \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng cho th\u1ea5y d\u00f2ng v\u1ed1n th\u1ef1c s\u1ef1 \u0111ang ch\u1ea3y v\u1ec1 \u0111\u00e2u.<\/li>\n\n\n\n<li>\u0110\u1ecdc VN-Index c\u00f9ng v\u1edbi \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng v\u00e0 d\u00f2ng ch\u1ea3y v\u1ed1n gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u00e1nh gi\u00e1 \u0111\u00e0 t\u0103ng l\u00e0 tr\u00ean di\u1ec7n r\u1ed9ng hay mong manh.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1438\" src=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-scaled.jpg\" alt=\"VN-Index v\u00e0 c\u00e1c c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn tr\u00ean HOSE\" class=\"wp-image-1682\" srcset=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-scaled.jpg 2560w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-300x168.jpg 300w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-1024x575.jpg 1024w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-768x431.jpg 768w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-1536x863.jpg 1536w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-2048x1150.jpg 2048w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/ho-chi-minh-city-skyline-18x10.jpg 18w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00ec sao VN-Index c\u00f3 th\u1ec3 t\u0103ng khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu gi\u1ea3m?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tho\u1ea1t nh\u00ecn, VN-Index c\u00f3 v\u1ebb l\u00e0 m\u1ed9t phong v\u0169 bi\u1ec3u \u0111\u00e1ng tin c\u1eady c\u1ee7a th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n Vi\u1ec7t Nam. Tuy nhi\u00ean, kh\u00f4ng \u00edt l\u1ea7n ch\u1ec9 s\u1ed1 n\u00e0y t\u0103ng \u0111i\u1ec3m trong khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu tr\u00ean th\u1ecb tr\u01b0\u1eddng l\u1ea1i gi\u1ea3m gi\u00e1. Nguy\u00ean nh\u00e2n n\u1eb1m \u1edf ch\u00ednh ph\u01b0\u01a1ng ph\u00e1p x\u00e2y d\u1ef1ng ch\u1ec9 s\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">VN-Index l\u00e0 ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh theo tr\u1ecdng s\u1ed1 v\u1ed1n h\u00f3a th\u1ecb tr\u01b0\u1eddng, ngh\u0129a l\u00e0 nh\u1eefng doanh nghi\u1ec7p c\u00f3 quy m\u00f4 v\u1ed1n h\u00f3a l\u1edbn s\u1ebd c\u00f3 \u1ea3nh h\u01b0\u1edfng v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c doanh nghi\u1ec7p nh\u1ecf h\u01a1n. Ch\u1ec9 c\u1ea7n m\u1ed9t s\u1ed1 \"\u00f4ng l\u1edbn\" trong c\u00e1c ng\u00e0nh ng\u00e2n h\u00e0ng, b\u1ea5t \u0111\u1ed9ng s\u1ea3n hay c\u00e1c t\u1eadp \u0111o\u00e0n h\u00e0ng \u0111\u1ea7u bi\u1ebfn \u0111\u1ed9ng gi\u00e1 nh\u1eb9 c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ch\u1ec9 s\u1ed1 chung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u00f3, \u0111\u00e0 t\u0103ng c\u1ee7a m\u1ed9t v\u00e0i c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn c\u00f3 th\u1ec3 k\u00e9o VN-Index \u0111i l\u00ean, ngay c\u1ea3 khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a v\u1eeba v\u00e0 nh\u1ecf v\u1eabn \u0111ang suy gi\u1ea3m. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra kho\u1ea3ng c\u00e1ch gi\u1eefa b\u1ee9c tranh th\u1ecb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh qua ch\u1ec9 s\u1ed1 v\u00e0 th\u1ef1c t\u1ebf m\u00e0 nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang tr\u1ea3i nghi\u1ec7m trong danh m\u1ee5c c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0o \u0111o l\u01b0\u1eddng th\u1ecb tr\u01b0\u1eddng ngo\u00e0i VN-Index?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-system-1-1024x559.png\" alt=\"H\u1ec7 sinh th\u00e1i ch\u1ec9 s\u1ed1 ngo\u00e0i VN-Index: VN30, VNMidcap v\u00e0 VNSmallcap\" class=\"wp-image-1599\" srcset=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-system-1-1024x559.png 1024w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-system-1-300x164.png 300w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-system-1-768x419.png 768w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-system-1-18x10.png 18w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/VN-Index-system-1.png 1408w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tr\u00e1nh b\u1ecb \u0111\u00e1nh l\u1eeba b\u1edfi s\u1ef1 chi ph\u1ed1i c\u1ee7a c\u00e1c c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn, nh\u00e0 \u0111\u1ea7u t\u01b0 th\u01b0\u1eddng theo d\u00f5i m\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ec9 s\u1ed1 \u0111a d\u1ea1ng h\u01a1n. M\u1ed7i ch\u1ec9 s\u1ed1 cung c\u1ea5p m\u1ed9t g\u00f3c nh\u00ecn ri\u00eang, gi\u00fap \u0111\u00e1nh gi\u00e1 s\u1ee9c kh\u1ecfe c\u1ee7a t\u1eebng ph\u00e2n kh\u00fac c\u1ee5 th\u1ec3 tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>VN30:<\/strong> g\u1ed3m 30 c\u1ed5 phi\u1ebfu c\u00f3 gi\u00e1 tr\u1ecb v\u1ed1n h\u00f3a l\u1edbn nh\u1ea5t v\u00e0 thanh kho\u1ea3n cao nh\u1ea5t ni\u00eam y\u1ebft tr\u00ean HOSE. VN30 ph\u1ea3n \u00e1nh di\u1ec5n bi\u1ebfn c\u1ee7a nh\u00f3m doanh nghi\u1ec7p blue-chip h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam v\u00e0 l\u00e0 ph\u00e2n kh\u00fac thu h\u00fat ph\u1ea7n l\u1edbn d\u00f2ng v\u1ed1n t\u1eeb c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 t\u1ed5 ch\u1ee9c.<\/li>\n\n\n\n<li><strong>VNMidcap:<\/strong> theo d\u00f5i nh\u00f3m doanh nghi\u1ec7p v\u1ed1n h\u00f3a trung b\u00ecnh v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 \"tr\u00e1i tim\" c\u1ee7a th\u1ecb tr\u01b0\u1eddng. Ch\u1ec9 s\u1ed1 n\u00e0y cho c\u00e1i nh\u00ecn r\u00f5 n\u00e9t h\u01a1n v\u1ec1 b\u1ee9c tranh doanh nghi\u1ec7p n\u00f3i chung, \u00edt ch\u1ecbu \u1ea3nh h\u01b0\u1edfng \u00e1p \u0111\u1ea3o c\u1ee7a c\u00e1c c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a si\u00eau l\u1edbn.<\/li>\n\n\n\n<li><strong>VNSmallcap:<\/strong> \u0111\u1ea1i di\u1ec7n cho nh\u00f3m doanh nghi\u1ec7p v\u1ed1n h\u00f3a nh\u1ecf, th\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 th\u01b0\u1edbc \u0111o m\u1ee9c \u0111\u1ed9 ch\u1ea5p nh\u1eadn r\u1ee7i ro c\u0169ng nh\u01b0 t\u00e2m l\u00fd \u0111\u1ea7u c\u01a1 c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch theo d\u00f5i \u0111\u1ed3ng th\u1eddi c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y, nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n d\u00f2ng v\u1ed1n \u0111ang th\u1ef1c s\u1ef1 ch\u1ea3y v\u1ec1 \u0111\u00e2u. V\u00ed d\u1ee5, n\u1ebfu VN-Index t\u0103ng trong khi VNMidcap \u0111i ngang ho\u1eb7c gi\u1ea3m, th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111ang \u0111\u01b0\u1ee3c d\u1eabn d\u1eaft b\u1edfi m\u1ed9t s\u1ed1 \u00edt c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn thay v\u00ec s\u1ef1 tham gia \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a to\u00e0n th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-scaled.jpg\" alt=\"Ph\u00e2n t\u00edch \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng cho nh\u00e0 \u0111\u1ea7u t\u01b0 VN-Index\" class=\"wp-image-1677\" srcset=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-scaled.jpg 2560w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-300x200.jpg 300w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-1024x683.jpg 1024w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-768x512.jpg 768w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-1536x1024.jpg 1536w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-2048x1365.jpg 2048w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/pexels-photo-164571-164571-18x12.jpg 18w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng l\u00e0 g\u00ec v\u00e0 v\u00ec sao quan tr\u1ecdng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 nh\u00ecn xa h\u01a1n nh\u1eefng bi\u1ebfn \u0111\u1ed9ng b\u1ec1 m\u1eb7t c\u1ee7a VN-Index, c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 chuy\u00ean nghi\u1ec7p th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng g\u1ecdi l\u00e0 <a href=\"https:\/\/www.investopedia.com\/terms\/m\/market_breadth.asp\" target=\"_blank\" rel=\"noopener\">\u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng (market breadth)<\/a>. Thay v\u00ec \u0111o l\u01b0\u1eddng th\u1ecb tr\u01b0\u1eddng qua m\u1ed9t gi\u00e1 tr\u1ecb ch\u1ec9 s\u1ed1 duy nh\u1ea5t, \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 tham gia v\u00e0 s\u1ef1 \u0111\u1ed3ng thu\u1eadn tr\u00ean to\u00e0n b\u1ed9 th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c ch\u1ec9 s\u1ed1 t\u0103ng hay gi\u1ea3m, nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u1eb7t ra m\u1ed9t c\u00e2u h\u1ecfi quan tr\u1ecdng h\u01a1n: m\u1ee9c t\u0103ng c\u1ee7a ch\u1ec9 s\u1ed1 \u0111\u1ebfn t\u1eeb vi\u1ec7c mua v\u00e0o tr\u00ean di\u1ec7n r\u1ed9ng, hay ch\u1ec9 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t v\u00e0i c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn k\u00e9o ch\u1ec9 s\u1ed1 \u0111i l\u00ean?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 tham gia r\u1ed9ng r\u00e3i c\u1ee7a th\u1ecb tr\u01b0\u1eddng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi VN-Index t\u0103ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ed5 phi\u1ebfu t\u0103ng gi\u00e1 v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi s\u1ed1 c\u1ed5 phi\u1ebfu gi\u1ea3m gi\u00e1, th\u1ecb tr\u01b0\u1eddng th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 \u0111ang l\u00e0nh m\u1ea1nh. D\u00f2ng ti\u1ec1n lan t\u1ecfa qua nhi\u1ec1u nh\u00f3m ng\u00e0nh, ph\u1ea3n \u00e1nh s\u1ef1 t\u1ef1 tin r\u1ed9ng r\u00e3i c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0 m\u1ee9c \u0111\u1ed9 tham gia cao v\u00e0o \u0111\u00e0 t\u0103ng chung.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 ph\u00e2n k\u1ef3 c\u1ee7a th\u1ecb tr\u01b0\u1eddng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu VN-Index t\u0103ng nh\u01b0ng s\u1ed1 c\u1ed5 phi\u1ebfu gi\u1ea3m gi\u00e1 nhi\u1ec1u h\u01a1n c\u1ed5 phi\u1ebfu t\u0103ng gi\u00e1, th\u1ecb tr\u01b0\u1eddng \u0111ang r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i ph\u00e2n k\u1ef3. Khi \u0111\u00f3, ch\u1ec9 s\u1ed1 c\u00f3 th\u1ec3 che gi\u1ea5u s\u1ef1 suy y\u1ebfu b\u00ean trong, khi m\u1ee9c t\u0103ng ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb m\u1ed9t nh\u00f3m nh\u1ecf c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn, trong khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu c\u00f2n l\u1ea1i ch\u1ecbu \u00e1p l\u1ef1c b\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u00e2n k\u1ef3 nh\u01b0 v\u1eady th\u01b0\u1eddng l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o s\u1edbm, cho th\u1ea5y \u0111\u00e0 t\u0103ng thi\u1ebfu s\u1ef1 h\u1ed7 tr\u1ee3 r\u1ed9ng r\u00e3i v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb \u0111i\u1ec1u ch\u1ec9nh. Vi\u1ec7c theo d\u00f5i \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u00e1nh gi\u00e1 li\u1ec7u xu h\u01b0\u1edbng t\u0103ng hi\u1ec7n t\u1ea1i c\u00f3 th\u1ef1c s\u1ef1 b\u1ec1n v\u1eefng hay ch\u1ec9 l\u00e0 m\u1ed9t \u1ea3o \u1ea3nh k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ed9t s\u1ed1 \u00edt c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-scaled.jpg\" alt=\"B\u00e0i h\u1ecdc t\u1eeb VN-Index cho nh\u00e0 \u0111\u1ea7u t\u01b0 Vi\u1ec7t Nam\" class=\"wp-image-1683\" srcset=\"https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-scaled.jpg 2560w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-300x200.jpg 300w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-1024x683.jpg 1024w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-768x512.jpg 768w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-1536x1024.jpg 1536w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-2048x1365.jpg 2048w, https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vietnam-street-market-18x12.jpg 18w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u00e0 \u0111\u1ea7u t\u01b0 n\u00ean \u00e1p d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecdc VN-Index hi\u1ec7u qu\u1ea3 kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c thu\u1ed9c l\u00f2ng \u0111\u1ecbnh ngh\u0129a, m\u00e0 \u1edf vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t th\u00f3i quen \u0111\u01a1n gi\u1ea3n: t\u00e1ch con s\u1ed1 ch\u1ec9 s\u1ed1 kh\u1ecfi nh\u1eefng g\u00ec \u0111ang th\u1ef1c s\u1ef1 di\u1ec5n ra tr\u00ean to\u00e0n th\u1ecb tr\u01b0\u1eddng, \u0111\u1ec3 m\u1ed9t phi\u00ean xanh kh\u00f4ng khi\u1ebfn b\u1ea1n ch\u1ee7 quan v\u00e0 m\u1ed9t phi\u00ean \u0111\u1ecf kh\u00f4ng khi\u1ebfn b\u1ea1n b\u00e1n th\u00e1o trong ho\u1ea3ng lo\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1eaft \u0111\u1ea7u t\u1eeb ch\u1ec9 s\u1ed1, sau \u0111\u00f3 ki\u1ec3m tra \u0111\u1ed9 r\u1ed9ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i phi\u00ean, h\u00e3y ghi nh\u1eadn m\u1ee9c t\u0103ng gi\u1ea3m c\u1ee7a VN-Index, r\u1ed3i l\u1eadp t\u1ee9c nh\u00ecn v\u00e0o s\u1ed1 c\u1ed5 phi\u1ebfu t\u0103ng v\u00e0 gi\u1ea3m gi\u00e1. N\u1ebfu ch\u1ec9 s\u1ed1 t\u0103ng nh\u01b0ng s\u1ed1 m\u00e3 gi\u1ea3m nhi\u1ec1u h\u01a1n s\u1ed1 m\u00e3 t\u0103ng, h\u00e3y th\u1eadn tr\u1ecdng v\u00ec \u0111\u00e0 t\u0103ng \u0111ang \u0111\u01b0\u1ee3c g\u00e1nh b\u1edfi m\u1ed9t v\u00e0i c\u1ed5 phi\u1ebfu l\u1edbn. N\u1ebfu \u0111\u1ed9 r\u1ed9ng x\u00e1c nh\u1eadn xu h\u01b0\u1edbng, \u0111\u00e0 t\u0103ng c\u00f3 n\u1ec1n t\u1ea3ng v\u1eefng h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">So s\u00e1nh c\u00e1c ch\u1ec9 s\u1ed1 ph\u00e2n kh\u00fac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u1ebfp theo, h\u00e3y \u0111\u1eb7t VN30, VNMidcap v\u00e0 VNSmallcap c\u1ea1nh nhau. Khi c\u1ea3 ba c\u00f9ng t\u0103ng, m\u1ee9c \u0111\u1ed9 tham gia l\u00e0 r\u1ed9ng r\u00e3i. Khi VN30 t\u0103ng nh\u01b0ng nh\u00f3m v\u1ed1n h\u00f3a v\u1eeba v\u00e0 nh\u1ecf t\u1ee5t l\u1ea1i, s\u1ef1 d\u1eabn d\u1eaft l\u00e0 h\u1eb9p v\u00e0 \u0111\u00e0 t\u0103ng c\u00f3 th\u1ec3 mong manh. Ph\u00e9p so s\u00e1nh n\u00e0y ch\u1ec9 m\u1ea5t v\u00e0i gi\u00e2y nh\u01b0ng th\u01b0\u1eddng k\u1ec3 m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c v\u1edbi VN-Index.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Neo quy\u1ebft \u0111\u1ecbnh v\u00e0o ch\u00ednh danh m\u1ee5c c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed1i c\u00f9ng, h\u00e3y \u0111\u00e1nh gi\u00e1 c\u00e1c kho\u1ea3n n\u1eafm gi\u1eef c\u1ee7a b\u1ea1n theo ph\u00e2n kh\u00fac m\u00e0 ch\u00fang thu\u1ed9c v\u1ec1, kh\u00f4ng ph\u1ea3i theo VN-Index. M\u1ed9t danh m\u1ee5c c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a nh\u1ecf n\u00ean \u0111\u01b0\u1ee3c so v\u1edbi VNSmallcap, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t ch\u1ec9 s\u1ed1 b\u1ecb chi ph\u1ed1i b\u1edfi ng\u00e2n h\u00e0ng v\u00e0 c\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn. Vi\u1ec7c ch\u1ecdn \u0111\u00fang ch\u1ec9 s\u1ed1 tham chi\u1ebfu gi\u00fap tr\u00e1nh nh\u1eefng t\u00edn hi\u1ec7u sai d\u1eabn \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh c\u1ea3m t\u00ednh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u00e0 \u0111\u1ea7u t\u01b0 n\u00ean r\u00fat ra \u0111i\u1ec1u g\u00ec t\u1eeb VN-Index?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1a tr\u00ean c\u01a1 ch\u1ebf tr\u1ecdng s\u1ed1 v\u1ed1n h\u00f3a, h\u1ec7 sinh th\u00e1i c\u00e1c ch\u1ec9 s\u1ed1 r\u1ed9ng h\u01a1n, v\u00e0 c\u00e1c ch\u1ec9 b\u00e1o \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng, c\u00f3 th\u1ec3 th\u1ea5y VN-Index v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 m\u1ed9t th\u01b0\u1edbc \u0111o k\u1ef9 thu\u1eadt v\u1ec1 hi\u1ec7u su\u1ea5t th\u1ecb tr\u01b0\u1eddng, ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1ef1 ph\u1ea3n \u00e1nh ho\u00e0n h\u1ea3o s\u1ee9c kh\u1ecfe danh m\u1ee5c c\u1ee7a m\u1ecdi nh\u00e0 \u0111\u1ea7u t\u01b0. \u0110\u1ec3 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a ch\u1ec9 s\u1ed1 chung chi ph\u1ed1i t\u00e2m l\u00fd \u0111\u1ea7u t\u01b0 th\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh c\u1ea3m t\u00ednh v\u00e0 thi\u1ebfu c\u01a1 s\u1edf th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 chuy\u1ec3n t\u1eeb m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 th\u1ee5 \u0111\u1ed9ng sang ch\u1ee7 \u0111\u1ed9ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 x\u00e2y d\u1ef1ng t\u01b0 duy qu\u1ea3n l\u00fd danh m\u1ee5c, t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa bi\u1ebfn \u0111\u1ed9ng c\u1ee7a ch\u1ec9 s\u1ed1 v\u00e0 hi\u1ec7u su\u1ea5t n\u1ed9i t\u1ea1i c\u1ee7a t\u1eebng kho\u1ea3n \u0111\u1ea7u t\u01b0. Thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t ch\u1ec9 s\u1ed1 t\u1ed5ng h\u1ee3p, nh\u00e0 \u0111\u1ea7u t\u01b0 n\u00ean k\u1ebft h\u1ee3p th\u00eam c\u00e1c ch\u1ec9 s\u1ed1 theo quy m\u00f4 v\u1ed1n h\u00f3a v\u00e0 theo t\u1eebng ph\u00e2n kh\u00fac, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam c\u1ee7a <a href=\"https:\/\/datacore.vn\" target=\"_blank\" rel=\"noopener\">DataCore<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng th\u1eddi, k\u1ebft h\u1ee3p ph\u00e2n t\u00edch \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng v\u1edbi \u0111\u00e1nh gi\u00e1 d\u00f2ng ch\u1ea3y v\u1ed1n gi\u00fap nh\u1eadn di\u1ec7n s\u1edbm c\u00e1c d\u1ea5u hi\u1ec7u suy y\u1ebfu c\u1ee7a \u0111\u1ed9ng l\u1ef1c th\u1ecb tr\u01b0\u1eddng. Khi \u0111\u00e0 t\u0103ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi s\u1ef1 tham gia r\u1ed9ng r\u00e3i v\u00e0 d\u00f2ng v\u1ed1n ph\u00e2n b\u1ed5 h\u1ee3p l\u00fd gi\u1eefa c\u00e1c nh\u00f3m ng\u00e0nh, xu h\u01b0\u1edbng chung th\u01b0\u1eddng v\u1eefng ch\u1eafc h\u01a1n so v\u1edbi khi ch\u1ec9 \u0111\u01b0\u1ee3c d\u1eabn d\u1eaft b\u1edfi m\u1ed9t nh\u00f3m c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed1i c\u00f9ng, \u0111\u1ea7u t\u01b0 th\u00e0nh c\u00f4ng kh\u00f4ng n\u1eb1m \u1edf kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n c\u00e1c bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n c\u1ee7a ch\u1ec9 s\u1ed1, m\u00e0 \u0111\u1ebfn t\u1eeb s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng b\u00ean d\u01b0\u1edbi ch\u1ec9 s\u1ed1 \u0111\u00f3. Khi b\u1ea1n \u0111\u1ecdc VN-Index c\u00f9ng v\u1edbi \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 ph\u00e2n kh\u00fac, b\u1ea1n s\u1ebd th\u1ea5y r\u00f5 h\u01a1n d\u00f2ng v\u1ed1n th\u1ef1c s\u1ef1 \u0111ang v\u1eadn \u0111\u1ed9ng ra sao, v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean b\u1eb1ng ch\u1ee9ng thay v\u00ec c\u1ea3m x\u00fac.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi ch\u1ec9 nh\u00ecn v\u00e0o VN-Index<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00e1 nh\u00e2n m\u1eafc c\u00f9ng m\u1ed9t nh\u00f3m sai l\u1ea7m khi coi VN-Index l\u00e0 th\u01b0\u1edbc \u0111o duy nh\u1ea5t cho to\u00e0n b\u1ed9 th\u1ecb tr\u01b0\u1eddng. Hi\u1ec3u r\u00f5 nh\u1eefng sai l\u1ea7m n\u00e0y gi\u00fap b\u1ea1n tr\u00e1nh c\u00e1c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean t\u00edn hi\u1ec7u sai l\u1ec7ch.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u00e1nh \u0111\u1ed3ng VN-Index v\u1edbi danh m\u1ee5c c\u00e1 nh\u00e2n:<\/strong> ch\u1ec9 s\u1ed1 t\u0103ng kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 c\u00e1c c\u1ed5 phi\u1ebfu b\u1ea1n n\u1eafm gi\u1eef c\u0169ng t\u0103ng, \u0111\u1eb7c bi\u1ec7t khi b\u1ea1n t\u1eadp trung v\u00e0o nh\u00f3m v\u1ed1n h\u00f3a v\u1eeba v\u00e0 nh\u1ecf.<\/li>\n\n\n\n<li><strong>B\u1ecf qua \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng:<\/strong> ch\u1ec9 nh\u00ecn \u0111i\u1ec3m s\u1ed1 m\u00e0 kh\u00f4ng xem s\u1ed1 m\u00e3 t\u0103ng v\u00e0 gi\u1ea3m khi\u1ebfn nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng nh\u1eadn ra khi \u0111\u00e0 t\u0103ng ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t v\u00e0i c\u1ed5 phi\u1ebfu l\u1edbn.<\/li>\n\n\n\n<li><strong>So sai ch\u1ec9 s\u1ed1 tham chi\u1ebfu:<\/strong> \u0111\u00e1nh gi\u00e1 m\u1ed9t danh m\u1ee5c c\u1ed5 phi\u1ebfu nh\u1ecf theo VN-Index thay v\u00ec VNSmallcap d\u1eabn \u0111\u1ebfn k\u1ebft lu\u1eadn sai v\u1ec1 hi\u1ec7u su\u1ea5t.<\/li>\n\n\n\n<li><strong>Ph\u1ea3n \u1ee9ng theo c\u1ea3m x\u00fac v\u1edbi t\u1eebng phi\u00ean:<\/strong> \u0111\u1ec3 m\u1ed9t phi\u00ean xanh hay \u0111\u1ecf chi ph\u1ed1i quy\u1ebft \u0111\u1ecbnh thay v\u00ec nh\u00ecn v\u00e0o xu h\u01b0\u1edbng v\u00e0 d\u00f2ng v\u1ed1n d\u00e0i h\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1eafc ph\u1ee5c nh\u1eefng sai l\u1ea7m n\u00e0y kh\u00f4ng \u0111\u00f2i h\u1ecfi c\u00f4ng c\u1ee5 ph\u1ee9c t\u1ea1p. Ch\u1ec9 c\u1ea7n k\u1ebft h\u1ee3p VN-Index v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 ph\u00e2n kh\u00fac v\u00e0 \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng, \u0111\u1ed3ng th\u1eddi lu\u00f4n so s\u00e1nh danh m\u1ee5c c\u1ee7a b\u1ea1n v\u1edbi \u0111\u00fang nh\u00f3m tham chi\u1ebfu, b\u1ee9c tranh th\u1ecb tr\u01b0\u1eddng s\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng v\u00e0 \u00edt g\u00e2y hi\u1ec3u nh\u1ea7m h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">VN-Index l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VN-Index l\u00e0 ch\u1ec9 s\u1ed1 ch\u1ee9ng kho\u00e1n chu\u1ea9n c\u1ee7a S\u1edf Giao d\u1ecbch Ch\u1ee9ng kho\u00e1n TP.HCM (HOSE). Ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh theo tr\u1ecdng s\u1ed1 v\u1ed1n h\u00f3a th\u1ecb tr\u01b0\u1eddng, n\u00ean c\u00e1c doanh nghi\u1ec7p l\u1edbn c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn h\u01a1n \u0111\u1ebfn gi\u00e1 tr\u1ecb ch\u1ec9 s\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ec sao VN-Index t\u0103ng nh\u01b0ng danh m\u1ee5c c\u1ee7a t\u00f4i l\u1ea1i gi\u1ea3m?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec VN-Index b\u1ecb chi ph\u1ed1i b\u1edfi m\u1ed9t s\u1ed1 c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn, ch\u1ec9 s\u1ed1 c\u00f3 th\u1ec3 t\u0103ng nh\u1edd c\u00e1c m\u00e3 n\u00e0y ngay c\u1ea3 khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a v\u1eeba v\u00e0 nh\u1ecf gi\u1ea3m. Danh m\u1ee5c c\u1ee7a b\u1ea1n ph\u1ea3n \u00e1nh c\u00e1c c\u1ed5 phi\u1ebfu b\u1ea1n \u0111ang n\u1eafm gi\u1eef, kh\u00f4ng ph\u1ea3i tr\u1ecdng s\u1ed1 c\u1ee7a ch\u1ec9 s\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng (market breadth) \u0111o l\u01b0\u1eddng c\u00f3 bao nhi\u00eau c\u1ed5 phi\u1ebfu tham gia v\u00e0o m\u1ed9t xu h\u01b0\u1edbng, th\u01b0\u1eddng b\u1eb1ng c\u00e1ch so s\u00e1nh s\u1ed1 c\u1ed5 phi\u1ebfu t\u0103ng v\u00e0 gi\u1ea3m gi\u00e1. S\u1ef1 tham gia r\u1ed9ng r\u00e3i cho th\u1ea5y \u0111\u00e0 t\u0103ng l\u00e0nh m\u1ea1nh; s\u1ef1 tham gia h\u1eb9p cho th\u1ea5y ph\u00e2n k\u1ef3 v\u00e0 r\u1ee7i ro.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f4i n\u00ean theo d\u00f5i nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0o c\u00f9ng v\u1edbi VN-Index?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VN30 cho nh\u00f3m v\u1ed1n h\u00f3a l\u1edbn blue-chip, VNMidcap cho doanh nghi\u1ec7p v\u1ed1n h\u00f3a trung b\u00ecnh, v\u00e0 VNSmallcap cho nh\u00f3m v\u1ed1n h\u00f3a nh\u1ecf. So s\u00e1nh ch\u00fang cho th\u1ea5y d\u00f2ng v\u1ed1n \u0111ang th\u1ef1c s\u1ef1 ch\u1ea3y v\u1ec1 ph\u00e2n kh\u00fac n\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">VN-Index c\u00f3 gi\u1ed1ng VN30 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng. VN-Index bao g\u1ed3m t\u1ea5t c\u1ea3 c\u1ed5 phi\u1ebfu \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n ni\u00eam y\u1ebft tr\u00ean HOSE, trong khi VN30 ch\u1ec9 theo d\u00f5i 30 m\u00e3 l\u1edbn nh\u1ea5t v\u00e0 thanh kho\u1ea3n cao nh\u1ea5t. VN30 h\u1eb9p h\u01a1n v\u00e0 t\u1eadp trung v\u00e0o nh\u00f3m blue-chip.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">VN-Index t\u0103ng c\u00f3 lu\u00f4n ngh\u0129a l\u00e0 th\u1ecb tr\u01b0\u1eddng t\u0103ng gi\u00e1 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng h\u1eb3n. N\u1ebfu m\u1ee9c t\u0103ng do m\u1ed9t v\u00e0i c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn d\u1eabn d\u1eaft trong khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu gi\u1ea3m, \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng y\u1ebfu v\u00e0 \u0111\u00e0 t\u0103ng c\u00f3 th\u1ec3 ch\u1ec9 l\u00e0 \u1ea3o \u1ea3nh k\u1ef9 thu\u1eadt thay v\u00ec m\u1ed9t xu h\u01b0\u1edbng t\u0103ng tr\u00ean di\u1ec7n r\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kho\u1ea3ng c\u00e1ch gi\u1eefa VN-Index v\u00e0 l\u1ee3i nhu\u1eadn c\u1ee7a t\u00f4i \u0111\u1ebfn t\u1eeb \u0111\u00e2u?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kho\u1ea3ng c\u00e1ch \u0111\u1ebfn t\u1eeb c\u00e1ch t\u00ednh tr\u1ecdng s\u1ed1. VN-Index b\u1ecb chi ph\u1ed1i b\u1edfi m\u1ed9t s\u1ed1 doanh nghi\u1ec7p l\u1edbn, n\u00ean n\u1ebfu c\u00e1c m\u00e3 \u0111\u00f3 t\u0103ng trong khi c\u1ed5 phi\u1ebfu b\u1ea1n n\u1eafm gi\u1eef kh\u00f4ng t\u0103ng, ch\u1ec9 s\u1ed1 v\u1eabn c\u00f3 th\u1ec3 \u0111i l\u00ean trong khi danh m\u1ee5c c\u1ee7a b\u1ea1n gi\u1ea3m. Quy m\u00f4 v\u00e0 c\u01a1 c\u1ea5u ng\u00e0nh c\u1ee7a c\u00e1c v\u1ecb th\u1ebf gi\u1ea3i th\u00edch ph\u1ea7n l\u1edbn s\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f4i c\u00f3 th\u1ec3 theo d\u00f5i \u0111\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam \u1edf \u0111\u00e2u?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c n\u1ec1n t\u1ea3ng giao d\u1ecbch chuy\u00ean nghi\u1ec7p v\u00e0 nh\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam \u0111\u1ec1u c\u00f4ng b\u1ed1 s\u1ed1 li\u1ec7u c\u1ed5 phi\u1ebfu t\u0103ng v\u00e0 gi\u1ea3m h\u1eb1ng ng\u00e0y, s\u1ed1 m\u00e3 l\u1eadp \u0111\u1ec9nh v\u00e0 \u0111\u00e1y, c\u00f9ng c\u00e1c ch\u1ec9 b\u00e1o \u0111\u1ed9 r\u1ed9ng. K\u1ebft h\u1ee3p c\u00e1c d\u1eef li\u1ec7u n\u00e0y v\u1edbi VN-Index cho c\u00e1i nh\u00ecn \u0111\u1ea7y \u0111\u1ee7 h\u01a1n nhi\u1ec1u so v\u1edbi ch\u1ec9 nh\u00ecn \u0111i\u1ec3m s\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u00e0 \u0111\u1ea7u t\u01b0 m\u1edbi n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u khi \u0111\u1ecdc th\u1ecb tr\u01b0\u1eddng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e0 \u0111\u1ea7u t\u01b0 m\u1edbi n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c hi\u1ec3u VN-Index l\u00e0 g\u00ec v\u00e0 v\u00ec sao n\u00f3 b\u1ecb chi ph\u1ed1i b\u1edfi c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn, sau \u0111\u00f3 l\u00e0m quen v\u1edbi VN30, VNMidcap, VNSmallcap v\u00e0 s\u1ed1 li\u1ec7u c\u1ed5 phi\u1ebfu t\u0103ng v\u00e0 gi\u1ea3m. Khi \u0111\u00e3 quen, h\u00e3y lu\u00f4n \u0111\u1ed1i chi\u1ebfu danh m\u1ee5c c\u1ee7a m\u00ecnh v\u1edbi ch\u1ec9 s\u1ed1 ph\u00e2n kh\u00fac ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng v\u1edbi m\u1ee5c \u0111\u00edch gi\u00e1o d\u1ee5c. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u1eddi khuy\u00ean \u0111\u1ea7u t\u01b0 hay khuy\u1ebfn ngh\u1ecb mua b\u00e1n b\u1ea5t k\u1ef3 ch\u1ee9ng kho\u00e1n n\u00e0o. S\u1ed1 li\u1ec7u v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh ch\u1ec9 s\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1edfi s\u1edf giao d\u1ecbch. Nh\u00e0 \u0111\u1ea7u t\u01b0 n\u00ean tham kh\u1ea3o th\u00eam d\u1eef li\u1ec7u ch\u00ednh th\u1ee9c v\u00e0 t\u01b0 v\u1ea5n chuy\u00ean m\u00f4n tr\u01b0\u1edbc khi ra quy\u1ebft \u0111\u1ecbnh.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Read this article in English: <a href=\"https:\/\/blog.datacore.vn\/en\/vn-index-deceptive-visual-illusion\/\">VN-Index: A True Reflection of the Market or a Deceptive Visual Illusion?<\/a><\/p>\n\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"VN-Index l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"VN-Index l\u00e0 ch\u1ec9 s\u1ed1 ch\u1ee9ng kho\u00e1n chu\u1ea9n c\u1ee7a S\u1edf Giao d\u1ecbch Ch\u1ee9ng kho\u00e1n TP.HCM (HOSE), t\u00ednh theo tr\u1ecdng s\u1ed1 v\u1ed1n h\u00f3a th\u1ecb tr\u01b0\u1eddng.\"}},{\"@type\":\"Question\",\"name\":\"V\u00ec sao VN-Index t\u0103ng nh\u01b0ng danh m\u1ee5c c\u1ee7a t\u00f4i l\u1ea1i gi\u1ea3m?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V\u00ec VN-Index b\u1ecb chi ph\u1ed1i b\u1edfi m\u1ed9t s\u1ed1 c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn, ch\u1ec9 s\u1ed1 c\u00f3 th\u1ec3 t\u0103ng ngay c\u1ea3 khi ph\u1ea7n l\u1edbn c\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a v\u1eeba v\u00e0 nh\u1ecf gi\u1ea3m.\"}},{\"@type\":\"Question\",\"name\":\"\u0110\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0110\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng \u0111o l\u01b0\u1eddng c\u00f3 bao nhi\u00eau c\u1ed5 phi\u1ebfu tham gia v\u00e0o m\u1ed9t xu h\u01b0\u1edbng, b\u1eb1ng c\u00e1ch so s\u00e1nh s\u1ed1 c\u1ed5 phi\u1ebfu t\u0103ng v\u00e0 gi\u1ea3m gi\u00e1.\"}},{\"@type\":\"Question\",\"name\":\"T\u00f4i n\u00ean theo d\u00f5i nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0o c\u00f9ng v\u1edbi VN-Index?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"VN30 cho nh\u00f3m v\u1ed1n h\u00f3a l\u1edbn, VNMidcap cho v\u1ed1n h\u00f3a trung b\u00ecnh, v\u00e0 VNSmallcap cho nh\u00f3m v\u1ed1n h\u00f3a nh\u1ecf.\"}}]}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Khi quan s\u00e1t th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n, h\u00e0nh \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 l\u00e0 ki\u1ec3m tra \u0111i\u1ec3m s\u1ed1 VN-Index, ch\u1ec9 s\u1ed1 chu\u1ea9n c\u1ee7a S\u1edf Giao d\u1ecbch Ch\u1ee9ng kho\u00e1n TP.HCM (HOSE). Tuy nhi\u00ean, ch\u00fang ta \u0111\u00e3 nhi\u1ec1u l\u1ea7n ch\u1ee9ng ki\u1ebfn m\u1ed9t ngh\u1ecbch l\u00fd: ch\u1ec9 s\u1ed1 chung t\u0103ng m\u1ea1nh \u0111\u1ea7y \u1ea5n t\u01b0\u1ee3ng, nh\u01b0ng danh [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":1796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_uag_custom_page_level_css":"","_swt_meta_header_display":false,"_swt_meta_footer_display":false,"_swt_meta_site_title_display":false,"_swt_meta_sticky_header":false,"_swt_meta_transparent_header":false,"footnotes":""},"categories":[19],"tags":[769],"class_list":["post-1597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-vi","tag-finance"],"uagb_featured_image_src":{"full":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart.jpg",1600,1067,false],"thumbnail":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart-150x150.jpg",150,150,true],"medium":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart-300x200.jpg",300,200,true],"medium_large":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart-768x512.jpg",768,512,true],"large":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart.jpg",1600,1067,false],"trp-custom-language-flag":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/06\/vn-index-stock-chart-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"Vu Phuong","author_link":"https:\/\/blog.datacore.vn\/vi\/author\/phuongvu\/"},"uagb_comment_info":0,"uagb_excerpt":"Khi quan s\u00e1t th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n, h\u00e0nh \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 l\u00e0 ki\u1ec3m tra \u0111i\u1ec3m s\u1ed1 VN-Index, ch\u1ec9 s\u1ed1 chu\u1ea9n c\u1ee7a S\u1edf Giao d\u1ecbch Ch\u1ee9ng kho\u00e1n TP.HCM (HOSE). Tuy nhi\u00ean, ch\u00fang ta \u0111\u00e3 nhi\u1ec1u l\u1ea7n ch\u1ee9ng ki\u1ebfn m\u1ed9t ngh\u1ecbch l\u00fd: ch\u1ec9 s\u1ed1 chung t\u0103ng m\u1ea1nh \u0111\u1ea7y \u1ea5n t\u01b0\u1ee3ng, nh\u01b0ng danh&hellip;","_links":{"self":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts\/1597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/comments?post=1597"}],"version-history":[{"count":5,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts\/1597\/revisions"}],"predecessor-version":[{"id":1722,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts\/1597\/revisions\/1722"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/media\/1796"}],"wp:attachment":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/media?parent=1597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/categories?post=1597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/tags?post=1597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}